#!/usr/bin/bash

readonly -a clocks=(
  🕛 🕐 🕑 🕒 🕓 🕔 🕕 🕖 🕗 🕘 🕙 🕚
  🕧 🕜 🕝 🕞 🕟 🕠 🕡 🕢 🕣 🕤 🕥 🕦
)

cronji() {
  local time hour min dex
  time=$(date  +%-l\ %-M)
  hour=${time% *}
  min=${time#* }
  (( hour == 12 )) && hour=0
  if (( min >= 45  )); then
    ((hour+=1))
  fi
  if ((min>=15 && min<45)); then
    dex=$((hour+12))
  else
    dex=$hour
  fi
  echo "${clocks[$dex]}"
}

cronji "$@"